Physician

John D Day, MD

According to 2025 Medicare claims, John Day, MD (NPI: 1811965122) practices cardiac electrophysiology in the Salt Lake City-Murray, UT market, with the plurality of this provider's patient population coming from Salt Lake, UT. This provider's primary affiliated billing organization is MOUNTAINSTAR CARDIOLOGY ST MARKS LLC (NPI: 1437446168; TIN: 371625746) and primary practice location at 84124-1300.

Day's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 729 traditional Medicare patients, billed 3,945 HCPCS/CPT codes, and received $354,339 in Medicare payments. The top billing code was 93656 (Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation). Part D data shows 718 prescription claims across 268 beneficiaries totaling $230,586 in drug costs, led by Eliquis (Apixaban). Open Payments data shows 102 records totaling $85,953. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved up and down with repeated peaks and valleys, starting at $205,015 and ending at $354,339. Concurrently, Part D prescription costs have fallen sharply in recent years, from $126,474 to $230,586. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	1,684	3,843	$205,015
2016	1,343	3,420	$203,967
2017	1,628	3,638	$250,159
2018	1,712	3,898	$230,760
2019	1,693	3,746	$212,457
2020	858	2,489	$162,764
2021	263	1,356	$159,358
2022	433	2,212	$199,273
2023	626	3,149	$241,381
2024	729	3,945	$354,339

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	264	835	$126,474
2016	422	1,932	$422,822
2017	538	2,023	$569,400
2018	500	1,751	$561,000
2019	449	1,700	$613,765
2020	424	1,560	$646,094
2021	300	1,068	$440,728
2022	216	673	$249,347
2023	229	664	$212,149
2024	268	718	$230,586

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

No connected DME records

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
93656	Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation	138	143	$698
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	410	564	$89
93623	Programming of heart rhythm stimulation after drug infusion	176	190	$50
93000	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	542	1,005	$10
93010	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	146	191	$6

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	167	10,009	$186,556
Xarelto	Rivaroxaban	30	1,675	$31,422
Flecainide Acetate	Flecainide Acetate	137	8,319	$3,892
Amiodarone Hcl	Amiodarone Hcl	52	2,775	$824
Metoprolol Succinate	Metoprolol Succinate	107	6,041	$795

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	93	$81,723	Boston Scientific Corporation
Research Payments	Reported research-related payment or transfer-of-value amount.	9	$4,230	Abbott Laboratories
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for John D. Day, MD?

Tedicare shows public-source Medicare data for John D. Day, MD (NPI 1811965122), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does John D. Day, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to John D. Day, MD?

John D. Day, MD is linked to MOUNTAINSTAR CARDIOLOGY ST MARKS LLC (billing NPI 1437446168) in the available physician profile data.

Does John D. Day, MD have Open Payments data?

John D. Day, MD has 102 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.